Coghlan's 5-in-1 Survival Aid - $2.75

Improve your chances of surviving a backcountry emergency by adding this Coghlan's 5-in-1 survival aid to your first aid kit, camping gear or daypack. Includes a waterproof match box so you can light a fire for signaling or warmth. Shrill signal whistle announces your whereabouts to others; also may scare off wildlife. Liquid-filled, luminous dial compass helps you determine which direction you came from or should head in. Fire starter flint enables you to start a fire without matches. Nylon lanyard lets you wear the Survival Aid around your neck so it is accessible at all times. Made of ABS plastic which is virtually indestructible; weighs only one ounce so there's no reason to not carry it. - $2.75